GDS LABby Hazem Magdy

Aviation topics

Practical explainers on aviation, distribution and ticketing — in Arabic and English, drawn from official material and refreshed with new subjects every day.

Airline Distribution6 min

Interline vs Codeshare: What Changes on the Ticket, the Flight Number and the Baggage

Two carriers, one journey — but the agreement behind them decides whether one ticket can be issued, who owns the flight number, and which baggage rules apply.

Reservations5 min

SSR and OSI: How a Request Actually Reaches the Airline

A wheelchair, a meal, a frequent flyer number or a simple note — each one has a correct element, a correct format and a status code you must read before you promise anything.

Ticketing6 min

Airline Baggage Allowance Architecture: Weight Concept vs Piece Concept and Resolution 302

An operational explanation of the Weight and Piece baggage concepts, IATA Resolution 302 for interline itineraries, and Most Significant Carrier determination.

Reservations6 min

Queue Management Discipline and Operational Workflows in GDS

A practical guide to GDS queue structures, automated airline notifications, servicing workflows, and operational risks associated with poor queue hygiene.

Ticketing5 min

EMD Architecture: Demystifying EMD-A and EMD-S in Modern Ticketing

An end-to-end operational breakdown of Electronic Miscellaneous Documents (EMD-A vs EMD-S), ATPCO data structures, coupon lifecycle synchronization, and practical issuance scenarios under IATA Resolutions 725f and 725g.

Fares & Pricing5 min

Understanding the Difference Between Fare Basis, RBD, and Fare Family

A technical guide explaining the architectural differences and operational mapping between Reservation Booking Designators (RBDs), Fare Basis Codes, and Fare Families (Branded Fares) with GDS pricing workflows.

Full papers to download

Fares & Pricing14 min

Airfare Construction Study Pack: NUC, ROE, Mileage Principles and a Pricing Checklist

A complete study document on how an international fare is built and checked: currency conversion, fare construction units, mileage principles, taxes and the checks to run before you quote a price.

Airline Distribution10 min

Modern Airline Distribution Architecture: A Comprehensive Technical and Commercial Deep Dive on NDC vs EDIFACT

A comprehensive 1,100-word study document breaking down legacy EDIFACT architecture, IATA NDC XML/JSON standards, Offer and Order Management (ONE Order), dynamic pricing mechanisms, servicing workflows, and agency interview preparation questions.

Airline Distribution10 min

Involuntary Rerouting, Schedule Disruptions, and Ticket Re-accommodation: Comprehensive Operational Guide

A technical study and operational manual covering IATA Resolution 735d, involuntary reissue logic, endorsement box requirements, SKCHG handling, and Irregular Operations workflows for GDS professionals.